Regression Assignment: Advertising Expense and Resulting Sales (Note: Do NOT change numbers in the table below) Month Advertising ($) Sales ($) 5618 56,824 5409 52,126 36,738 24,349 35,914 66,539 47,057 53,825 January February March April May June July August September October November December 4174 2710 3925 5757 4831 5551 4640 7352 4240 5306 3) What is the Regression Equation? Answer here -> 43,081 72,363 37,892 52,072 #2. Answer the following questions 1) How much of variance in Sales is explained by Advertising expense? Answer here -> 2) Is there is a significant effect of Advertising on Sales? How can you tell? Answer here ->